angular 개발시 yarn start 후 limit error 확인하기

The current default on Xenial is 8192 (see fs/notify/inotify/inotify_user.c in the kernel source), you can verify this by printing the file to stdout:

cat /proc/sys/fs/inotify/max_user_watches
8192

You can bump the number up, for example, doubling this to 16384, using:

echo 16384 | sudo tee /proc/sys/fs/inotify/max_user_watches

bear in mind that inotify watches do consume memory, I think it's around 160 bytes per watch on 64 bit systems.

To set this permanently, add an entry to /etc/sysctl.conf, for example:

echo fs.inotify.max_user_watches=16384 | sudo tee -a /etc/sysctl.conf
sudo sysctl -p

..or manually edit /etc/sysctl.conf (you need root privileges to update it) and then run sudo sysctl -p